Arizona Affidavit Of Service By Mail Or National Courier Service is a legal document used to certify that a document has been properly served to a particular party. It is typically used in civil court proceedings to prove that the necessary documents were delivered to the intended recipient. The Affidavit of Service must include the date and time of the mailing or delivery, the name of the person served, the address to which the document was sent, the method of service, and the name of the person who served the document. There are two types of Arizona Affidavit Of Service By Mail Or National Courier Service: Service by Mail and Service by National Courier. Service by Mail is when a document is sent by regular mail and the affidavit must include the date and time of the mailing, the name of the person served, and the address to which the document was sent. Service by National Courier is when a document is sent by a nationally recognized courier service, such as UPS or FedEx, and the affidavit must include the date and time of the delivery, the name of the person served, and the address to which the document was sent.